Horton

Re: BUG #18541: Reattaching a partition referenced by a foreign key fails with an error

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Tender Wang <tndrwang@gmail.com>
Cc: exclusion@gmail.com, pgsql-bugs@lists.postgresql.org
Date: 2024-08-07T22:22:39Z
Lists: pgsql-bugs

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On 2024-Jul-15, Tender Wang wrote:

> PG Bug reporting form <noreply@postgresql.org> 于2024年7月15日周一 21:02写道：

> > The following script:
> > CREATE TABLE t1 (a int, PRIMARY KEY (a));
> > CREATE TABLE t (a int, PRIMARY KEY (a), FOREIGN KEY (a) REFERENCES t1)
> > PARTITION BY LIST (a);
> > ALTER TABLE t ATTACH PARTITION t1 FOR VALUES IN (1);

I propose to reject this with the attached patch, which I intend to
backpatch all the way down to 12.

FWIW, it's not the same problem that Jehan-Guillaume described in [1],
even though the error message being thrown is the same.

[1] https://postgr.es/m/20230705233028.2f554f73@karst

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/

Commits

  1. Restructure foreign key handling code for ATTACH/DETACH

  2. Refuse ATTACH of a table referenced by a foreign key